TWI723447B - Inspection method, inspection system and non-temporary computer-readable recording medium - Google Patents

Abstract

The present invention provides a technology capable of managing the quality of inspection items and/or inspection criteria for each part, thereby enabling optimization of the inspection items or inspection criteria in a board inspection or the like for each part. An inspection method, which uses an inspection program to inspect an article loaded with parts, including: a setting step (S101), setting inspection information including inspection items and/or inspection standards for each part in the inspection; And a determination step (S106), the quality of the article is determined by the inspection program, and the inspection information further includes inspection quality level information as an indicator of the reliability of the inspection information. In the setting step, based on each product number for the part The product number data group is set and updated whenever the inspection information is changed to set the inspection information. In the determination step, the quality is determined for each of the parts based on the inspection information obtained by referring to the product number data group.

Description

Inspection method, inspection system and non-temporary computer-readable recording medium

The present invention belongs to the technical field related to the inspection of articles carrying parts.

As a device for inspecting the mounting state of components on the board, etc., automatic appearance inspection devices are widely used. In this device, the sensor obtains the appearance information of the substrate (including the state before welding) on which the part is mounted, and measures the corresponding item of each part. In addition, by comparing the obtained results with the prescribed inspection standards, a good product or a defective product can be judged.

Here, if the set inspection items or inspection criteria are not appropriate, there will be a "error inspection" that judges those who are actually good products as defective products, or "missing inspections" that judges those who are actually defective products as good products. Check". "Mistaken inspection" will lead to deterioration of inspection efficiency, and "missing inspection" will reduce the reliability of manufacturing steps and deteriorate the work efficiency of subsequent steps. In addition, any one of them is a cause of an increase in the cost of the manufacturing step, and therefore, it is desirable to minimize "error detection" and "missing detection".

However, if the inspection criteria are made strict in order to reduce "missing inspections", the "error inspections" will increase. If the inspection standards are relaxed to reduce "false inspections", the "missing inspections" will increase. Therefore, it is necessary to set appropriate inspection items and Check benchmarks.

Therefore, before the inspection of the mass product, the verification image of the substrate or the part is used to adjust the inspection items or inspection standards, and after the adjustment is completed, the inspection items or inspection standards are applied to the actual production line. However, in the past, after adjusting the inspection items or inspection standards for all the part product numbers arranged on a substrate, it was extended to the mass production program in a way that can be implemented in the mass production inspection. Different, there will also be people whose quality is not fixed, and there will be "false inspections" or "missing inspections".

Here, with regard to the technology that can identify the reliability of the data of each part, the following technology is proposed: When creating the data of the electronic part library (library) used in the pattern program of the electronic part assembling device, according to the production status Carry out reliability grading and attach the graded production status to the data, so that during setup operations, etc., in the case of using the parts library, it is clear at a glance which electronic parts are reliable (refer to Patent Document 1). However, the above-mentioned prior art cannot optimize inspection items or inspection criteria in substrate inspections and the like for each component. [Prior Art Literature] [Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open No. 2014-183216 (Japanese Patent No. 6219579) [Patent Document 2] Japanese Patent Laid-Open No. 2008-45952 [Patent Document 3] Japanese Patent Laid-Open No. 2006-250610 [Patent Document 4] Japanese Patent Laid-Open No. 2001-24321

[The problem to be solved by the invention]

The present invention is made in view of the actual situation as described above, and its object is to provide a method that can manage the quality of inspection items and/or inspection criteria for each part, thereby enabling the inspection of substrates and the like for each part. Techniques for optimizing inspection items or inspection benchmarks. [Means to solve the problem]

In order to achieve the above-mentioned object, the present invention adopts the following configuration.

The inspection method of the present invention is an inspection method for inspecting the article through an inspection program that judges the quality of the article on which the parts are mounted, and the inspection method includes: A setting step of setting inspection information including inspection items and/or inspection criteria of the part in the inspection for each part; and The judging step is to judge the quality of the article by the inspection program, and The inspection information further includes inspection quality level information as an indicator of the reliability of the inspection information, In the setting step, the inspection information is set based on the product number data group set for each product number of the part and updated whenever the inspection information is changed, In the determining step, the quality is determined for each of the parts based on the inspection information obtained by referring to the product number data group.

According to this, in the inspection of the article on which the parts are mounted, the inspection items or inspection criteria can be optimized for each part, and the inspection quality can be managed for each part. In addition, it is possible to manage inspection information set for each part based on the quality level set as inspection quality level information.

In the present invention, the inspection quality level information may include a first level indicating a high quality level and a second level indicating a low quality level, In the setting step, when the inspection information is changed and the product number data group has been updated, the inspection quality level information is set to the second level.

Accordingly, when the inspection items or inspection standards are changed and the quality level based on these inspections is unknown, the inspection quality level information is set to the second level, so that the user can easily confirm the quality of the inspection items or inspection standards level. In addition, as the inspection quality level information, for example, if it can be set to the first level, it is "good (OK)", and if it is the second level, it is "bad (NG)". If so, the user can intuitively recognize the quality level of the inspection item or inspection standard.

In addition, in the present invention, the inspection information in the quality data group can be set by multiple users, In the setting step, when a predetermined user sets the inspection quality level information to the second level, users other than the predetermined user are restricted from changing the inspection quality level information to the first level.

If so, when the inspection information can be set by multiple users, when the inspection quality is set to the second level (for example, "bad") by a predetermined user, it is possible to suppress the inspection quality from being changed by other users without knowing it. If so, it is possible to prevent inspection items or inspection standards of low quality from being used in the inspection unintentionally.

In addition, in the present invention, the inspection information may further include reference or non-reference information, and the reference or non-reference information indicates whether or not the inspection program makes a reference to the product number data group. If so, the inspection program can determine whether to perform inspections with reference to the inspection items or inspection standards in the product number data group based on the reference information. In addition, the user can easily manage whether to apply the inspection items or inspection criteria in the product number data group to actual inspections by changing the reference information.

In addition, in the present invention, the reference information may include: ON information, which is regarded as the inspection program for reference to the product number data group; and OFF information, depending on Because the inspection program did not refer to the product number data group, In the setting step, when the inspection information is changed and the product number data group has been updated, the reference information is set as disconnect information.

According to this, when the inspection items or inspection standards are changed and the product number data group is updated, the reference information is automatically set as disconnect information, which prevents accidental application of unconfirmed inspection items or inspection standards to the inspection .

In addition, in the present invention, the inspection information in the quality data group can be set by multiple users, In the setting step, when a prescribed user sets the reference/non-reference information as disconnect information, users other than the prescribed user are restricted from changing the reference/non-reference information to connected information.

Accordingly, when the check information can be set by multiple users, when the specified user sets the reference information to "disconnect", it can be suppressed that other users without knowing change the reference information to, for example, "Connect." If so, it is possible to prevent the inspection items or inspection standards with low quality levels from being unintentionally referenced by the inspection program, and it is possible to prevent the inspection items or inspection standards with low quality levels from being used in actual inspections.

In addition, in the present invention, in addition to the first level and the second level, the inspection quality level information further includes a third level, and the third level indicates that it is being referenced by a specific inspection program. State the product number data group and confirm the inspection quality level of the inspection information in the product number data group, In the setting step, when the inspection quality level information in the product number data group is changed from the third level to the first level, the reference information is changed to the connection information.

Accordingly, it can be easily determined that the inspection item or inspection criterion in the product number data group is being confirmed by a specific inspection program. Furthermore, the inspection quality level information at this time may be set as the third level "try (TRY)" or the like. In addition, based on this, when the status of the inspection item or inspection standard self-confirmed (for example, the status set to "trying") is changed to a high quality status (for example, the status is set to "good"), the reference information is automatically Change the location to "ON", so that high-quality inspection items or inspection standards can be automatically applied to the inspection program.

In addition, in the present invention, the inspection quality level information can be set to a first level indicating a high quality level and a second level indicating a low quality level, The inspection information further includes reference or non-reference information, and the reference or non-reference information indicates whether the inspection program makes reference to the product number data group, The reference or not information can be set as: turn-on information, which is regarded as the inspection program has made a reference to the product number data group; and disconnect information, which is regarded as the inspection program has not performed the product numbering Reference to the data group, When, in the setting step, the inspection quality level information in the product number data group is set as the second level, and the reference or not information is set as the connection information, In the determination step, the inspection of the parts involved in the product number data group is performed without relying on the inspection program.

According to this, when the inspection item or inspection criterion is set to the second level indicating low quality (such as "bad"), and the reference information is set to "on", the part of the inspection item or inspection criterion is applied The inspection can be implemented not by the inspection program and not by the automatic inspection, but by the manual inspection. As a result, it is possible to suppress the occurrence of "missing inspections" or "false inspections" due to automatic inspections of low-quality inspection items or inspection standards, and manual inspections can confirm the inspection items or inspection standards in the manufacturing process. quality.

In addition, the present invention may be an inspection system, which is an inspection system for inspecting the article by judging the quality of the article on which the part is mounted, the inspection system including: A storage unit storing a product number data group, in which the product number data group incorporates inspection information including inspection items and/or inspection criteria of the parts in the inspection; and The processing unit causes the inspection program to determine the quality of the article, and The inspection information further includes inspection quality level information as an indicator of the reliability of the inspection information, The product number data group is set for each product number of the part, and is updated every time the inspection information changes, The inspection program determines the quality for each of the parts based on the inspection information obtained by referring to the product number data group.

In addition, the inspection system may further include reference or non-reference information, which indicates whether the inspection program makes reference to the product number data group.

In addition, in the inspection system, the inspection quality level information may include a first level indicating a high quality level and a second level indicating a low quality level. And the inspection system further includes a data management part, when the inspection information is changed and the product number data group has been updated, the data management part sets the inspection quality level information to the second level.

In addition, the inspection system may include: the reference or not information includes: connection information, which is regarded as the inspection program having referenced the product number data group; and disconnection information, which is regarded as the inspection The program did not make a reference to the product number data group, When the inspection information is changed and the product number data group has been updated, the data management section sets the reference information as disconnect information.

In addition, the inspection system may further include an information setting unit that accepts settings of inspection information in the quality data group by a plurality of users, When a predetermined user sets the inspection quality level information to the second level, the information setting unit restricts users other than the predetermined user from changing the inspection quality level information to the first level.

In addition, the inspection system may further include an information setting unit that accepts settings of inspection information in the quality data group by a plurality of users, When a predetermined user sets the reference availability information as off information, the information setting section restricts users other than the predetermined user from changing the reference availability information to on information.

In addition, in the inspection system, in addition to the first level and the second level, the inspection quality level information further includes a third level, and the third level indicates that a specific inspection program is being used Refer to the product number data group to confirm the inspection quality level of the inspection information in the product number data group, When the inspection quality level information in the product number data group is changed from the third level to the first level, the data management section changes the reference information to the connection information.

In addition, the inspection system may be: The inspection information further includes reference or non-reference information, and the reference or non-reference information indicates whether the inspection program makes reference to the product number data group, The inspection quality level information includes a first level indicating a high quality level and a second level indicating a low quality level, The reference or non-reference information includes: connection information, which is regarded as the inspection program has made a reference to the product number data group; and disconnection information, which is regarded as the inspection program has not performed the product number data group Reference, And the inspection system further includes an information setting part, the information setting part accepts the setting of the inspection information in the quality data group, The information setting part can set the inspection quality level information in the product number data group to the second level, and set the reference or not information as the connection information.

In addition, the present invention may be a program that causes a computer to execute the above-mentioned setting steps and/or determination steps. Furthermore, the means for solving the problem can be used in combination as much as possible. [Effects of the invention]

According to the present invention, it is possible to manage the quality of inspection items and/or inspection criteria for each part, thereby optimizing the inspection items or inspection criteria in substrate inspection, etc., for each part, and it is possible to improve the mounting of the part. The reliability of the inspection of the items.

＜Application example＞ Hereinafter, an application example of the present invention will be described with reference to the drawings. In addition, the following describes a case where the present invention is applied to an inspection system of a board on which electronic components are mounted, but the object of the present invention is not limited to the inspection of the board, and other articles may be the object of the inspection. In addition, as long as there is no special description, the specific configuration described in this application example is not intended to limit the scope of the present invention to only these.

FIG. 1 shows an example of the hardware configuration of the inspection system 9 of this application example. The inspection system 9 of this embodiment is constituted by connecting a control terminal 1, a data management server 2, and a substrate inspection device 3 to each other via a communication line. The control terminal 1 is a fixed terminal, including: an output unit 101 such as a display monitor and a printer; an input unit 102 such as a keyboard or a mouse; a hard disk drive (HDD), Random access memory (RAM) and other memory 103; central processing unit (Central Processing Unit, CPU) and other processing units 104, which can also be removable and input board type terminals, and can also be inspected with substrates The device 3 is formed integrally.

The control terminal 1 is a terminal used to perform operations such as creation (including correction, the same below) of the inspection program executed by the substrate inspection device 3, or setting and registration of the product number data group referenced in each inspection program. The product number data group includes: inspection items to be inspected for a part, inspection criteria of each inspection item, part information such as the size or part type of the part, and information about the product number attached to the part. In addition, inspection information such as inspection items or inspection standards for each part described later is also included.

The data management server 2 stores a variety of data, and in addition to storing the inspection program or product number data group, it also manages various information required for the processing of the control terminal 1.

The board inspection device 3 (hereinafter also referred to as "inspection device 3") photographs the parts mounting board that has gone through the parts mounting step or the reflow step, and processes the generated image using a pre-registered inspection program. Determine the good or bad of the mounting state of the parts on the board. For this reason, as a hardware configuration, an imaging sensor, an illumination device, a board holding unit, a RAM, a CPU, etc. are included. In addition, the inspection device 3 may include an output unit such as a monitor or an input unit such as a mouse and a keyboard.

2 is a functional block diagram showing the functions of the control terminal 1, the data management server 2, and the inspection device 3 related to the preparation of the inspection content data. The data management server 2 is provided with: a board information storage unit 21, a part information storage unit 22, an inspection program storage unit 23, an inspection information storage unit 24, an inspection history storage unit 25, and the like.

The substrate information storage section 21 stores: substrate information including information such as substrate color, mounted parts, and part positions; or substrate images including good product model images of the substrates, actual images of defective products, and the like. Stored in the part information storage section 22 are: part information including part product number, part type, color, shape, electrode information, use of substrates, etc.; including good product model image and defective product actual image for each product number of the part Image information of parts, etc. The inspection program storage unit 23 stores inspection programs for each board, inspection program history information that accumulates the change history of the inspection program every time it is revised, and the like.

Stored in the inspection information storage unit 24 are: feature quantities (also referred to as inspection items) set for each product number of the part, inspection criteria, inspection items and quality level information (described later) of the inspection criteria, inspection items, and inspections Whether the inspection information such as the benchmark can be extended to the inspection program (described later), the setting history of each product number that accumulates the information whenever the information is revised, and the inspection information history information of the corresponding comment (comment), etc. The inspection history storage unit 25 stores inspection results, inspection images, etc. obtained by the inspection device 3. In addition, these various information functions as a so-called related database that can be cross-referenced and linked.

With the inspection device 3, the self-inspection program storage unit 23 reads out the inspection program corresponding to the board to be inspected, and the self-inspection information storage unit 24 reads out the inspection information corresponding to the board to be inspected to perform inspection. The results of a series of inspections, images generated during the inspection, and the like are sent from the inspection device 3 to the data management server 2 and stored in the inspection history storage unit 25.

For the processing unit 104 of the control terminal 1, a user interface (hereinafter referred to as UI) is set, the control unit 11, the read processing unit 12, the product number data processing unit 13, the registration processing unit 14, the inspection program processing unit 15, etc. Function.

The UI control unit 11 displays a job screen, accepts user operations, and cooperates with other processing units 12 to 14 to execute processing corresponding to the operations. The read-out processing unit 12 reads out the information required in the processing of the UI control unit 11 and the inspection program processing unit 15 from the board information storage unit 21 and the part information storage unit 22, and provides it to the UI control unit 11 and the inspection program processing unit 15 . The product number data processing unit 13 reads out from the inspection information storage unit 24: inspection items and inspection standards, quality level information of inspection items and inspection standards (described later), inspection information such as inspection items and inspection standards can be extended to the inspection program Information (described later), check information history information, etc. In addition, the part information and the like are read out from the part information storage unit 22. Then, a product number data group (described later) is created based on the information and provided to the UI control unit 11. In addition, the information is received from the registration processing unit 14 and changed to information related to the product number data group.

The registration processing unit 14 receives the setting information from the UI control unit 11, and transmits it to the product number data processing unit 13 and the inspection program processing unit 15, and at the same time changes the information to be stored in the inspection information storage unit. The inspection program processing unit 15 receives the required information from the readout processing unit 12 and the setting information from the registration processing unit 14, creates an inspection program for the substrate based on these, and registers the information in the inspection program storage unit 23. Furthermore, the inspection program in this embodiment is based on the inspection logic that associates the product number data group to determine whether the substrate is good or bad.

The invention of this application example is applied to the inspection system 9 described above. Furthermore, as described above, the part information, inspection items, inspection standards, and inspection quality level information including inspection items and inspection standards set for each product number of the parts mounted on the board The information can be extended to the inspection program as the product number data group, and the revision management will be carried out whenever there is a change.

Regarding the quality level information, for example, when inspection information such as inspection items and inspection standards is being produced and its reliability is not confirmed, it is regarded as "bad", and when it is only applied to a specific inspection program and is being confirmed, it is regarded as "try". , It is regarded as "good" when the reliability confirmation is completed and it can be applied to mass production. In addition, as to whether the information can be extended, the inspection information including inspection items and inspection criteria is regarded as "disconnected" if the inspection information including inspection items and inspection criteria is not applied to the inspection program that refers to the product number data group, and as "connected" if it is applied. through". Moreover, when inspecting parts, each inspection program refers to the latest revision of the product number data group and uses the information to perform inspections during the process that the expandability information is "connected".

In this application example, as described above, when the board inspection is performed by the inspection device 3 of the inspection system 9, the inspection items or inspection criteria can be optimized for each part, and the inspection can be managed for each part. quality. As a result, in the board inspection on which a plurality of parts are mounted, it is possible to inspect all the parts based on the best inspection information. In addition, the inspection information set for each part can be easily managed based on the quality level information.

Furthermore, in this application example, the information constituting the product number data group is stored in the part information storage unit 22 and the inspection information storage unit 24. Thus, the part information storage unit 22 and the inspection information storage unit 24 correspond to the storage unit. In addition, when the product number data group displayed on the output unit 101 is archived in the memory 103, the memory 103 can also be used as a storage unit. In addition, the processing unit 104 in this application example or the CPU in the inspection device 3 corresponds to the processing unit. In addition, the control terminal 1 of this application example constitutes a data management unit and an information setting unit.

<Example 1> Next, Example 1 of the present invention will be described in detail. An example of the product number data table 30 of this embodiment is shown in FIG. 3. As described above, the product number data table 30 is based on the information stored in the part information storage section 22 and the inspection information storage section 24 of the data management server 2, and is created in the product number data processing section 13, and The output unit 101 displays it. The product number data table 30 is a table for recording the product number ID corresponding to each part mounted on the board to be inspected, and the product number data group corresponding to each product number ID. Fig. 3 shows the product number data group related to the part 1608RS as a chip resistor with the product number ID001 and the part QFP4848 as a quad flat package (QFP) with the product number ID002. As described above, the product number data group of parts related to multiple product number IDs is grouped together to be the product number data table of this embodiment.

Here, the product number data group related to the part of the product number ID001 will be described in detail. In this embodiment, with regard to the part related to the product number ID001, the shape, the type of the part, the inspection item, the inspection standard, etc. are recorded. The inspection standard is the threshold value or judgment index for judging the good or bad of the mounted parts during the inspection. In addition, for parts related to product number ID001, whenever the inspection items or inspection criteria are changed, the revision of the product number data group is updated and described in the top row of the column corresponding to each product number ID. Regarding the parts related to the product number ID001 in Fig. 3, it can be seen that 11 changes have been made to the inspection items or inspection standards, and the latest revision is revision 12.

In addition, in the product number data table of this embodiment, the product number data group corresponding to each part includes data on the quality level of each revision and whether it can be expanded. This quality level is an index indicating whether the quality or reliability of the inspection items or inspection standards of the product number data group in each revision is a level that can be used in the inspection of the inspection device 3. For example, when the quality level is poor, it means that it is a product number data group in the middle of production and is a level that cannot be used in actual inspections. In addition, when the quality level is a trial, it means that it is a product number data group in which the inspection information of the inspection items or inspection standards is expanded in a specific inspection program and the reliability is being confirmed, and it is at a level that can be mass-produced and applied immediately. Furthermore, a case where the quality level is good indicates that the product number data group is a product number data group that has been confirmed for reliability by extending inspection information of inspection items or inspection standards to a specific inspection program, and is a level that can be mass-produced and applied.

In addition, the expandable data is an index indicating whether to apply each revised product number data group to all inspection programs. If the expandable data is disconnected, the revised product number data group will not be applied to all inspection programs. In the case that the extension data is connected, the revised product number data group is extended to all inspection programs. The expandability data can be set by the user independently of the quality level data. Furthermore, the quality level data in Figure 3 is equivalent to inspection quality level information. Whether the data can be expanded is equivalent to referencing information.

Next, FIG. 4(a) and FIG. 4(b) show examples of the product number reference table for the inspection program of this embodiment. In the inspection system 9 of this embodiment, multiple inspection programs are used to inspect multiple parts on the substrate as described above. 4(a) and 4(b) show the product number reference data table 35a and product number reference data table 35b for the inspection program 1 and the inspection program 2 among a large number of inspection programs. Product number reference data sheet 35a and product number reference data sheet 35b show: circuit IDs attached to multiple circuits of the board, product number IDs of parts mounted on circuits with circuit IDs, and product number IDs attached The mounting position of the parts, the revision referred to in the product number data group related to each product number ID, that is, the reference revision, the quality level of the reference revision in the product number data group, whether it can be extended, and the product number data group related to each product number ID The latest revision, the latest revision in the product number data group, the quality level and whether the data can be expanded, and the status of the product number data group is the status of the product number expansion (status).

According to the product number reference table 35a for the inspection program 1 shown in Figure 4(a), the parts involving product number ID001 are used in the circuits involving circuit ID1 to circuit ID4, and the following aspects can be known: the part is on the substrate The loading position on the top is Left, Top; for this part, the latest revision of the product number data group is revision 12. In addition, the revision 12 product number data group is currently inferior in terms of quality level, and it is connected as to whether it can be expanded, and it is known that it needs to be updated. Furthermore, the following aspects can be seen: inspection program 1 is not the latest revision of the product number data group, and is referring to the product number data group of revision 9; the product number data group of revision 9 is currently good in terms of quality standards, and whether it can be extended is connected .

That is, in the inspection system 9 of this embodiment, the inspection items and inspection criteria for each part on the substrate are managed by the product number data group. In addition, whenever revisions are made, the product number data group manages the inspection items and inspection standards, and at the same time manages the quality level of the product number data group itself and whether it can be expanded. Moreover, the product number data group referred to in each inspection program is managed by the product number reference data table.

Next, using FIG. 5, the management flow of the quality level of the product number data group in the inspection system 9 of the present embodiment and whether the content can be expanded will be described. This flow can be stored in the memory 103 of the control terminal 1, or all the steps can be executed automatically when the content of creating a novel product number data group is input from the input unit 102. Figure 5 is a flow chart of checking information management routines. When this process is executed, firstly, in step S101, a product number is created for the novel inspection target part. When creating a product number, create a product number data group corresponding to the product number. In the product number data group in this state, the product number level is set as bad, and the extension can be set as disconnected.

In step S102, a window screen corresponding to the created product number data group is automatically created and displayed on the output unit 101 of the control terminal 1. Furthermore, in step S103, the good model image, the actual image of the defective product, the shape of the part, the type of the part, the currently temporarily set inspection items, and the inspection criteria of the parts corresponding to the created product number data group are registered In the part information storage unit 22. Thereby, the product number name, shape, part type, inspection item, inspection standard, etc. in the product number data table 30 of FIG. 3 are displayed.

Next, in step S104, the verification image is registered. More specifically, it registers an image of a sample for pre-verification of whether "false inspection" or "missing inspection" has occurred based on the inspection items and inspection criteria registered in the process of step S103. When the process of step S104 is completed, it will progress to step S105. In step S105, the product number is adjusted. That is, for the verification image registered in step S104, adjustments of inspection items and inspection criteria deemed appropriate are performed. When the process of step S105 is completed, it will progress to step S106.

In step S106, it is determined whether there is no "error inspection" or "missing inspection" on the verification screen registered in step S104. Here, in the case of "error inspection" or "missing inspection", it is determined that the inspection items or inspection criteria in the product number data group are not appropriate, so these adjustments are further performed before returning to the processing of step S105 . Moreover, the processing of step S105 and step S106 is repeated until in step S106, neither "error detection" nor "missing detection" is generated in the verification screen.

In step S106, when neither "error detection" nor "missing detection" is generated in the verification screen, proceed to step S107. In step S107, the user changes the quality level to trial. When the process of step S107 ends, the process proceeds to step S108. In step S108, the product number data group is applied to a specific inspection program. In more detail, it is also possible to designate a specific inspection program to which the product number data group is applied in another window displayed in the output unit 101. In this way, in the product number reference data table of a specific inspection program, the expandability setting corresponding to the product number data group is set to ON. Furthermore, there can be one or more than two specific inspection programs.

When the process of step S108 is completed, it will progress to step S109. In step S109, the substrate inspection is performed by the inspection device 3 using the inspection program that has been processed in step S108. Furthermore, in step S110, it is determined whether "false detection" or "missing detection" has occurred through the inspection performed in step S109. In this case, when it is determined that "error inspection" or "missing inspection" has occurred, the process returns to step S109, and the inspection items or inspection standards are adjusted again. On the other hand, when it is determined that "false detection" or "missing detection" has not occurred, the process proceeds to step S111.

In step S111, the product number data is applied to more multiple inspection programs, and multiple inspections are performed in the inspection device 3. When the process of step S111 is completed, it will progress to step S112. Furthermore, in step S112, it is determined whether or not "error detection" or "missing detection" has occurred in the plurality of inspections in step S111. If "error detection" or "missing detection" occurs in step S112, the process returns to step S111, and the adjustment of the inspection items or inspection standards is performed again. On the other hand, when it is determined that "false detection" or "missing detection" has not occurred, the process proceeds to step S113.

In step S113, the quality level in the product number data group is set as good, and the expandability is set as ON. So far, the product number data group is applied to all inspection programs that should refer to the product number data group. When the processing of step S113 ends, this routine is temporarily ended. Furthermore, step S101, step S107, and step S113 of the inspection information management routine in this embodiment correspond to setting steps. In addition, step S106, step S110, and step S112 correspond to a determination step.

On the right side of the flowchart described in FIG. 5, the quality level of the product number data group and the expandable setting in the stage of executing each step are shown. Accordingly, when a novel product number is created in step S101, the quality level is set to be bad, and the expandability setting is set to off. After that, in the case that no "error detection" or "missing detection" occurs in the adjustment of the product number data group using the verification image in step S105, in step S107, the quality level is set to trial, and whether it can be expanded is set to disconnect. In addition, in the case where "error detection" or "missing detection" does not occur in a plurality of inspection programs, in step S113, the quality level is set to good, and the expandability setting is set to on.

In Fig. 6(a) and Fig. 6(b), as also explained in the above-mentioned flow, the inspection items of the product number data group or the adjustment study of the inspection standards are promoted, and the quality level of the product number is good. The serial number is expressed with reference to the changes in the data table. Fig. 6(a) and Fig. 6(b) show the product number reference table for inspection program 1 and inspection program 2.

In Fig. 6(a), for the parts related to the product number ID001, refer to revision 5 in the inspection program 1, and refer to the revision 6 in the inspection program 2. Furthermore, in revision 5, the quality level of the product number data group is set as trial, and in revision 6, the quality level of the product number data group is set as good. In addition, it can be seen that both in Revision 5 and Revision 6 are expandable and set to ON. In addition, regarding the product number data group of the part with product number ID001, the latest revision is revision 7, the quality level of revision 7 has been set to good, and the extension is set to ON. That is, it can be seen that revision 7 is a completed product number data group.

In this state, apply the latest revision to all inspection programs for the product number data group of product number ID001. More specifically, the output unit 101 can also display another window in which the latest reference revision application command is executed on the inspection program 1. As a result, as shown in Fig. 6(b), the product number data group of revision 7 which is the latest revision is referenced in both the inspection program 1 and the inspection program 2, and the quality level is changed to good. As described above, in this embodiment, the completed product number data group can be applied to all inspection programs together, and the best inspection items and inspection criteria can be applied efficiently.

Furthermore, in this embodiment, in the case that the inspection system 9 can be used by multiple users, when the quality level of the product number data group is set as bad or tried by a specific user, it can also be restricted to other users. The user changes the quality level to good. More specifically, it is also possible to completely prohibit users other than a specific user from changing the quality level to good, or to allow only specific other users, such as the boss of the specific user, to make changes.

In addition, similarly, in the case where the inspection system 9 can be used by multiple users, when the extension of the product number data group is set to off by a specific user, it is also possible to restrict whether the extension can be changed by other users. Is connected. More specifically, it is also possible to completely prohibit users other than a specific user from changing the expandability to connection, or allow only specific other users, such as the boss of the specific user, to make changes.

In this way, it is possible to prevent other users who are unaware from changing the quality level of the product number data group or whether the setting content can be expanded. If so, it is possible to suppress inspection items or inspection standards with low quality levels from being used unintentionally in inspections.

<Example 2> Next, Embodiment 2 of the present invention will be described. In the second embodiment, a description will be given of the processing in the case where "missing inspection" occurs in the manufacturing step in a state where the product number data group whose reliability has been confirmed has been applied to all inspection programs. Figure 7 shows the processing of inspection information management routine 2 executed when "missing inspection" occurs during inspection when the product number level in the product number data group is set to good and the expandability setting is turned on. Flow chart. This process can be stored in the memory 103 of the control terminal 1, and can also be automatically executed when the inspection device 3 sends the "missing inspection" detection data. Furthermore, regarding the steps of performing manual inspection, the inspection program may be in a state of waiting for input of results from the operator.

When this routine is executed, first, in step S201, it is detected that a "missing inspection" has occurred during inspection. In this case, there is a danger of passing without finding defective products in the step, so urgent response is required. Therefore, in step S202, the quality level of the product number data group is set as bad. When the processing of step S202 ends, the process proceeds to step S203.

In step S203, the product number data group is applied to all inspection programs. In this case, in all inspection programs, the product number data group whose quality level is poor is applied. In the inspection system 9 of the present embodiment, in this case, regarding the inspection with reference to the product number data group for which "missing inspection" has occurred, the automatic inspection by the inspection program is stopped and manual inspection is performed. As a display at this time, the quality of the product number can be displayed as poor only in the window related to the product number data group displayed in the output unit 101 of the inspection system 9, or some alert display can also be given. . When the process of step S203 ends, the process proceeds to step S104.

In the processing of step S104 to step S113, the difference from the inspection information management routine shown in FIG. 5 is the following: In the processing of S206, the verification screen registered in step S104 is manually inspected to determine whether There is no "error inspection" or "missing inspection"; in addition, in step S210, manual inspection is used to determine whether "error inspection" or "missing inspection" has occurred in the inspection performed in step S109; in addition, in step S210 In S212, a manual inspection is used to determine whether "error inspection" or "missing inspection" has occurred in the multiple inspections in step S111.

In FIG. 8, the inspection system control routine for performing manual inspection when "error inspection" occurs in the manufacturing step as described above will be described. This process can be stored in the inspection program storage part 23, and can also be executed when the inspection is performed by the inspection device 3. When executing this routine, first, in step S301, the inspection program is read. If step S301 ends, proceed to step S302. In step S302, the product number data group referred to in the inspection program read in in step S301 is read. When the process of step S302 ends, the process proceeds to step S303. In step S303, an inspection image is obtained. Furthermore, the inspection is performed in step S304.

Next, in step S305, it is determined whether the quality level in the product number data group is set as good. Here, if the quality level in the product number data group is set as good, the process proceeds to step S309 and an automatic inspection is performed. On the other hand, if it is determined in step S305 that the quality level in the product number data group is not set as good, the process proceeds to step S306. In step S306, it is determined whether the quality level of the product number data group is set as a trial. Here, when it is determined that the quality level is set as a trial, the process proceeds to step S309 and the automatic inspection is performed. On the other hand, when it is determined that the quality level is not set as a trial, the process proceeds to step S307.

In step S307, it is determined whether the quality level of the product number data group is set as bad. Here, when it is determined that the quality level of the product number data group is set as bad, the process proceeds to step S308, and manual inspection is performed. On the other hand, when it is determined that the quality level is not set as defective, the process proceeds to step S309, and an automatic inspection is performed. If the automatic inspection of step S309 or the manual inspection of step S308 ends, the process proceeds to step S310.

In step S310, it is determined whether the inspection is over. When it is determined in step S310 that the inspection is completed, this routine is temporarily terminated. If it is determined that the inspection has not been completed, the process returns to step S304 to continue the inspection. Furthermore, in this routine, if the quality level data of the product number data group is only "good", "try", and "bad", when it is determined in step S306 as the quality level of the product number data group If it is not "trying", it is also possible to proceed directly to the processing of step S308.

Figures 9(a) and 9(b) illustrate examples of changes to the product number reference table when "missing inspection" occurs in the inspection system 9 as described in Figures 7 and 8 . In Fig. 9(a), for the part with the product number ID003, refer to the product number data group of revision 9 in the inspection program 3, and refer to the product number data group of the revision 10 in the inspection program 4. Furthermore, it can be seen that both the revision 9 and the revision 10 set the quality level as good, and set the expandability to ON. In addition, the latest revision of the product number data group of the part with the product number ID003 is revision 12, and the quality level is set as bad for revision 12. Furthermore, it can be seen that the status of the product number extension is "renewal".

In this state, if a "missing inspection" occurs during the inspection of any inspection program, an emergency response is required. For this reason, as shown in Figure 9(b), the part with the product number ID003 is compulsorily referred to The latest revision of the product number information of 12. Moreover, its quality level is set to be poor. In this way, as shown in step S307 and step S308 of FIG. 8, for the part with the product number ID001, manual inspection is performed instead of automatic inspection. In addition, as the status of product number expansion, it is displayed as responding to missed inspection.

Thereby, when a "missing inspection" occurs in the inspection system 9, the automatic inspection can be stopped in an emergency evacuation and manual inspection can be performed. Moreover, it does not affect the inspection quality in the manufacturing process, and at the same time, it is possible to maintain the optimization of the inspection items or inspection standards in the product number data group. Furthermore, in the present embodiment, if a "missing inspection" occurs during the inspection of any inspection program, the latest revision of the product number data group whose quality level is bad can be automatically referred to, and the output unit 101 can also be used. The latest revised product number data group that can be applied to all inspection programs with bad quality level is given, and the user can manually refer to the latest revised product number data group that has bad quality level. Furthermore, in the application examples and each embodiment, an example of creating a new revision when the revision management product number data group and inspection information have been changed will be described. However, when the inspection information has been changed, this can of course also be applied to the case where only the product number data group is rewritten without creating a new revised product number data group, that is, the product number data group is not revised and managed. invention.

In addition, in the following, in order to be able to compare the configuration requirements of the present invention with the configuration of the embodiments, the configuration requirements of the present invention are described with reference to the drawings. <Invention 1> An inspection method, which is an inspection method for inspecting the article by means of an inspection program that judges the quality of the article on which parts are mounted, the inspection method comprising: Setting steps (S101, S107, S113), for each part, setting the inspection information including the inspection items and/or inspection criteria of the part in the inspection; and The determination step (S106, S110, S112), the quality of the article is determined by the inspection program, and The inspection information further includes inspection quality level information as an indicator of the reliability of the inspection information, In the setting step, the inspection information is set based on the product number data group set for each product number of the part and updated whenever the inspection information is changed, In the determining step, the quality is determined for each of the parts based on the inspection information obtained by referring to the product number data group. <Invention 9> An inspection system, which is an inspection system (9) for inspecting the article by judging the quality of the article carrying parts, the inspection system comprising: The storage unit (22, 24, 104) stores a product number data group in which the product number data group incorporates inspection information including inspection items and/or inspection criteria of the parts in the inspection; and The processing unit (1, 104) makes the inspection program determine the quality of the article, and The inspection information further includes inspection quality level information as an indicator of the reliability of the inspection information, The product number data group is set for each product number of the part, and is updated every time the inspection information changes, The inspection program determines the quality for each of the parts based on the inspection information obtained by referring to the product number data group.

1‧‧‧Control terminal 2‧‧‧Server for data management 3‧‧‧Substrate inspection device (inspection device) 9‧‧‧Inspection system 11‧‧‧User Interface Control Department 12‧‧‧Reading processing section 13‧‧‧Product Code Data Processing Department 14‧‧‧Registration Processing Department 15‧‧‧Inspection program processing department 21‧‧‧Board Information Storage Department 22‧‧‧Parts Information Storage 23‧‧‧Check program storage 24‧‧‧Check Information Storage Department 25‧‧‧Inspection history storage department 30‧‧‧Product No. Data Sheet 35a, 35b‧‧‧Product No. Reference Data Sheet 101‧‧‧Output 102‧‧‧Input part 103‧‧‧Memory 104‧‧‧Processing Department S101～S113, S201～S212, S301～S310‧‧‧Step

FIG. 1 is a diagram showing the hardware configuration of a board inspection system according to an embodiment of the present invention. Fig. 2 is a block diagram showing the function of the substrate inspection system according to the embodiment of the present invention. Fig. 3 is a diagram showing an example of a quality data table in an embodiment of the present invention. 4(a) and 4(b) are diagrams showing examples of the quality reference data table of the inspection program in the embodiment of the present invention. FIG. 5 is a flowchart showing the processing of an inspection information management routine in Embodiment 1 of the present invention. FIG. 6(a) and FIG. 6(b) are diagrams showing examples of the updated state of the quality reference data table of the inspection program in the embodiment 1 of the present invention. Fig. 7 is a flowchart showing the processing of inspection information management routine 2 in the second embodiment of the present invention. Fig. 8 is a flowchart showing the processing of the inspection system control routine according to the second embodiment of the present invention. 9(a) and 9(b) are diagrams showing examples of the updated state of the quality reference data table of the inspection program in the second embodiment of the present invention.

S101~S113‧‧‧Step

Claims (17)

An inspection method, which is an inspection method for inspecting the article by means of an inspection program that judges the quality of the article on which parts are mounted, the inspection method comprising: A setting step of setting inspection information including inspection items and/or inspection criteria of the part in the inspection for each part; and The judging step is to judge the quality of the article by the inspection program, and The inspection information further includes inspection quality level information as an indicator of the reliability of the inspection information, In the setting step, the inspection information is set based on the product number data group set for each product number of the part and updated whenever the inspection information is changed, In the determining step, the quality is determined for each of the parts based on the inspection information obtained by referring to the product number data group. Such as the inspection method described in item 1 of the scope of patent application, wherein the inspection quality level information includes: the first level, which indicates a high quality level; and the second level, which indicates a low quality level, In the setting step, when the inspection information is changed and the product number data group has been updated, the inspection quality level information is set to the second level. The inspection method described in the second item of the patent application, wherein the inspection information in the quality data group can be set by multiple users, In the setting step, when a predetermined user sets the inspection quality level information to other than the first level, users other than the predetermined user are restricted from changing the inspection quality level information to the First level. The inspection method described in any one of items 1 to 3 in the scope of the patent application, wherein the inspection information further includes reference or non-reference information, and the reference or non-reference information indicates whether the inspection program has performed the inspection on the product Reference to the numbered data group. For example, the inspection method described in item 4 of the scope of patent application, wherein the reference or not information includes: connection information, which is deemed to have been referenced by the inspection program to the product number data group; and disconnection information, depending on Because the inspection program did not refer to the product number data group, In the setting step, when the check information is changed and the product number data group has been updated, the reference or not information is set as the disconnect information. As the inspection method described in item 5 of the scope of patent application, the inspection information in the quality data group can be set by multiple users, In the setting step, when the reference or non-reference information is set as the disconnection information by the prescribed user, the user other than the prescribed user is restricted from changing the reference or non-information information to the connection information. Information. According to the inspection method described in item 5 of the scope of patent application, in addition to the first level and the second level, the inspection quality level information further includes a third level, and the third level indicates that it is being used by The specific inspection program refers to the product number data group to confirm the inspection quality level of the inspection information in the product number data group, In the setting step, when the inspection quality level information in the product number data group is changed from the third level to the first level, the reference information is changed to the connection News. For the inspection method described in item 1 of the scope of patent application, the inspection quality level information can be set to a first level indicating a high quality level and a second level indicating a low quality level, The inspection information further includes reference or non-reference information, and the reference or non-reference information indicates whether the inspection program makes reference to the product number data group, The reference or not information can be set as: turn-on information, which is regarded as the inspection program has made a reference to the product number data group; and disconnect information, which is regarded as the inspection program has not performed the product numbering Reference to the data group, When, in the setting step, the inspection quality level information in the product number data group is set as the second level, and the reference information is set as the connection information, In the determination step, the inspection of the parts involved in the product number data group is performed without relying on the inspection program. An inspection system, which is an inspection system for inspecting the article by means of an inspection program that judges the quality of the article on which parts are mounted, the inspection system comprising: A storage unit storing a product number data group, the product number data group incorporating inspection information including inspection items and/or inspection criteria of the parts in the inspection; and The processing unit causes the inspection program to determine the quality of the article, and The inspection information further includes inspection quality level information as an indicator of the reliability of the inspection information, The product number data group is set for each product number of the part, and is updated every time the inspection information changes, The inspection program determines the quality for each of the parts based on the inspection information obtained by referring to the product number data group. For the inspection system described in item 9 of the scope of patent application, the inspection information further includes reference or non-reference information, and the reference or non-reference information indicates whether the inspection program makes reference to the product number data group. For example, the inspection system described in item 10 of the scope of patent application, wherein the inspection quality level information includes: the first level, which indicates a high quality level; and the second level, which indicates a low quality level, The inspection system further includes a data management unit, and when the inspection information is changed and the product number data group has been updated, the data management unit sets the inspection quality level information to the second level. For example, the inspection system described in item 11 of the scope of patent application, wherein the reference or not information includes: connection information, which is regarded as the inspection program as a reference to the product number data group; and disconnection information, depending on Because the inspection program did not refer to the product number data group, When the check information is changed and the product number data group has been updated, the data management section sets the reference or not information as the disconnect information. For example, the inspection system described in item 11 or item 12 of the scope of patent application further includes an information setting unit that accepts the setting of the inspection information in the quality data group by a plurality of users, When a predetermined user sets the inspection quality level information to other than the first level, the information setting section restricts users other than the predetermined user from changing the inspection quality level information to the first level. level. The inspection system described in item 12 of the scope of patent application further includes an information setting unit that accepts settings of the inspection information in the quality data group by a plurality of users, When a predetermined user sets the reference/failure information as the disconnection information, the information setting section restricts users other than the predetermined user from changing the reference/failure information to the connection information . In the inspection system described in item 11 or item 12 of the scope of patent application, in addition to the first level and the second level, the inspection quality level information further includes a third level, and the third level represents The inspection quality level of the inspection information in the product number data group is being confirmed by making a specific inspection program refer to the product number data group, When the inspection quality level information in the product number data group is changed from the third level to the first level, the data management section changes the reference information to the connection information. For example, the inspection system described in item 9 of the scope of patent application, wherein the inspection information further includes reference or non-reference information, and the reference or non-reference information indicates whether the inspection program makes reference to the product number data group, The inspection quality level information includes: the first level, which represents a high quality level; and the second level, which represents a low quality level, The reference or non-reference information includes: connection information, which is regarded as the inspection program has made a reference to the product number data group; and disconnection information, which is regarded as the inspection program has not performed the product number data group Reference, And the inspection system further includes an information setting part that accepts the setting of the inspection information in the quality data group, The information setting part can set the inspection quality level information in the product number data group as the second level, and set the reference or non-reference information as the connection information. A non-temporary computer-readable recording medium, which enables a computer to execute the setting step and/or the determination step in the inspection method described in any one of items 1 to 8 of the scope of the patent application.

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